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/* Part of CPP library.  (memory allocation - xmalloc etc)
 * Copyright (C) 1986, 87, 89, 92, 93, 94, 1995 Free Software Foundation, Inc.
 * Written by Per Bothner, 1994.
 * Based on CCCP program by by Paul Rubin, June 1986
 * Adapted to ANSI C, Richard Stallman, Jan 1987
 * Copyright (C) 2003-2011 Kim Woelders
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 * 
 * In other words, you are welcome to use, share and improve this program.
 * You are forbidden to forbid anyone else to use, share and improve
 * what you give them.   Help stamp out software-hoarding!  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <stdlib.h>

#include "cpplib.h"

static void
memory_full(void)
{
   cpp_fatal("Memory exhausted.");
}

void               *
xmalloc(unsigned size)
{
   char               *ptr = (char *)malloc(size);

   if (ptr)
      return (ptr);
   memory_full();
   /*NOTREACHED */
   return 0;
}

void               *
xrealloc(void *old, unsigned size)
{
   char               *ptr = (char *)realloc(old, size);

   if (!ptr)
      memory_full();
   return ptr;
}

void               *
xcalloc(unsigned number, unsigned size)
{
   char               *ptr = (char *)calloc(number, size);

   if (!ptr)
      memory_full();
   return ptr;
}